The copper brazing rod is special kind of rod that is used in the process of brazing, which has a significant amount of phosphorus. Alloyed with copper alloys, phosphorus acts as a reducing agent preventing the release of oxides during joining. They are made for use with copper and its alloys. Copper-phosphor solder contains two metals: phosphorus and copper. It flows well and can be employed in contact-brazing, flame brazing, high-frequency brazing and furnace brazing. By incorporating silver into the alloy of phos-copper you will significantly increase the ability to wet, strengthen it while also lowering its melting point markedly. It finds wide application in refrigeration industry as well as motor manufacturing industry; electrical appliances manufacturing industry; instrument manufacturing industry among others. Flame, high-frequency, resistance methods are primarily used for solders made from brass. For more information on these materials and their applications, consider consulting a China Phosphorus Copper Brazing Rod Manufacturer.
| BrazingAlloys | AWS | Chemical Composition（%） | Solidus | Liquidus | Main Uses | |||||||
| Ag | Cu | P | Zn | Sn | Other | F | ℃ | F | ℃ | |||
| BCu93P | BCuP-2 | / | 93 | 7 | / | / | / | 1310 | 710 | 1460 | 795 | Suitable for copper and copper alloy,with good fluidity. |
| BCu86P | / | / | 86 | 7 | / | 7 | / | 1134 | 657 | 1270 | 687 | Mainly used for brazing of hard alloy cutter |
| BCu91PAg | BCuP-6 | 2 | 91 | 7 | / | / | / | 1190 | 645 | 1450 | 785 | Mainly used for brazing ferrous metals, nickel-based alloys and Cu-Ni alloys; it has good fluidity. |
| BCu89PAg | BCuP-3 | 5 | 89 | 6 | / | / | / | 1190 | 645 | 1325 | 720 | |
| BCu88PAg | BCuP-4 | 6 | 86.7 | 7.3 | / | / | / | 1190 | 645 | 1275 | 690 | |
| BCu80PAg | BCuP-5 | 15 | 80 | 5 | / | / | / | 1190 | 645 | 1300 | 705 | |
| BCu75PAg | BCuP-6 | 18 | 75.5 | 6.5 | / | / | / | 1190 | 645 | 1190 | 645 | |
Phosphorus: Good Deoxidizing Agent, discarding oxide build-up and resulting in strong, clear welding.
These rods have good fluidity making them suitable for different types of brazing means; thus they can be used in various ways.
Contact brazing, flame brazing, high-frequency brazing, and furnace brazing are some of its applications; therefore it is versatile.
Silver is added to it to improve its wetting ability, strength, toughness and reduce the melting point of the solder.
It finds wide application in refrigeration industry; motor manufacturing; electrical appliances; instruments and other manufacturing sectors.
Phosphorus copper solder has a wide range of applications and is commonly used in ordinary flame welding. It is mainly used in the refrigeration, air conditioning, plumbing and electrical industries. We can produce all kinds of formulas, and can also cooperate with R&D and customization to reduce costs and increase efficiency for your production. Specifically Please contact the technical department if required.
Yes, these rods are specifically designed to effectively join copper and its alloys, providing strong and durable joints.
The addition of silver enhances the wetting ability of the solder, improves strength and toughness, and lowers the melting point, thereby improving overall performance in brazing applications.
The phosphorus content in these rods acts as a deoxidizer, reducing the need for additional flux during the brazing process, thereby simplifying the procedure and reducing costs.
For detailed specifications, usage guidelines, and technical support, consider consulting a phosphor copper brazing rod manufacturer in China. They can provide comprehensive information for specific brazing requirements.
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